• [Wiki] http://en.wikipedia.org/wiki/Rana_arvalis.
• [amphibiaweb] http://amphibiaweb.org/cgi/amphib_query?rel-common_name=like&where-scientific_name=Rana+arvalis.
• [AnAge] http://genomics.senescence.info/species/entry.php?species=Rana_arvalis.
• [ADW] http://animaldiversity.org/accounts/Rana_temporaria/.
• [kikkersite] https://www.kikkersite.nl/bruine.php.
• [Gunt1990] Günther, R. (1990). Die Wasserfrösche Europas. A. Ziemsen Verlag.
• [Kooy2010] Kooijman, S. (2010). Dynamic Energy Budget theory for metabolic organisation. Cambridge Univ. Press, Cambridge.
• [LomaLard2009] Loman, J. and Lardner, B. (2009). Density dependent growth in adult brown frogs Rana arvalis and Rana temporaria - a field experiment. Acta Oecologica, 35:824--830.